She may appear to present a softer target than he does, but she has never been afraid of fighting her corner.
His deployment of a suicide bomber metaphor in a Mail on Sunday piece today looks like a carefully-crafted distraction exercise.
The Prime Minister’s stance on regulatory alignment is very hard indeed to square with his vision of a freewheeling Britain. Watch this space.
Each side in the Brexit debate regards its position as the only one a sane person could take, while the other side’s arguments are madly exaggerated and provocative.
The EU’s own court would not be an appropriate arbiter for a post-Brexit agreement. And the existence of the EFTA court shows another way is possible.
But Samantha Cameron and Marina Wheeler have proved less forthcoming than Rachel Johnson and Sarah Vine.
The Prime Minister’s interview yesterday was a reminder of the fact.